FCC ID 2AU4A-BMS100
Battery Monitor
by SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD
Grantee Code: 2AU4A Product Code: BMS100
Latest application date: 2025-06-25
FCC ID Device Details
| FCC ID | 2AU4A-BMS100 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AU4A |
| Product Code | BMS100 |
| Applicant Business | SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD 🇨🇳 |
| Related Domains |  leagend.com |
| Equipment Class | Battery Monitor |
| Test Firm | Shenzhen CTL Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 824-849 MHz | Original Equipment | 2025-06-25 |
| 2402-2480 MHz | Original Equipment | 2025-06-25 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-06-25 | PDF 3.3 MB |
| Internal Photos of EUT | Internal Photos | 2025-06-25 | PDF 1.5 MB |
| External Photos of EUT | External Photos | 2025-06-25 | PDF 1.3 MB |
| FCC-label | ID Label/Location Info | 2025-06-25 | PDF 417.6 KB |
| Test Setup Photos of the EUT | Test Setup Photos | 2025-06-25 | PDF 479.5 KB |
| Antenna Spec BT | Test Report | 2025-06-25 | PDF 693.1 KB |
| Antenna Spec LTE | Test Report | 2025-06-25 | PDF 1.9 MB |
| CTL2410232073-WF01 15.247 BLE | Test Report | 2025-06-25 | PDF 5.4 MB |
| CTL2410232073-WF01_BLE_Appendix | Test Report | 2025-06-25 | PDF 2.3 MB |
| CTL2410232073-WF02 LTE FCC Part 22 Band_5 | Test Report | 2025-06-25 | PDF 1.5 MB |
| CTL2410232073-WF02_4G_LTE_band_5_Appendix | Test Report | 2025-06-25 | PDF 4 MB |
| CTL2410232073-WF03 LTE FCC Part 27 Band_7 | Test Report | 2025-06-25 | PDF 1.4 MB |
| CTL2410232073-WF03_4G_LTE_band_7_Appendix | Test Report | 2025-06-25 | PDF 4.9 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-06-25 | PDF 136 KB |
| USA-LocalRepLetter_V1.1_2AU4A-BMS100 | Attestation Statements | 2025-06-25 | PDF 516.5 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-06-25 | PDF 90.5 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-06-25 | PDF 122.3 KB |
| CTL2410232073-WFH RF exposure FCC | RF Exposure Info | 2025-06-25 | PDF 665.4 KB |
| Block diagram Metadata only | Block Diagram | PDF 159.8 KB | |
| Schematic Metadata only | Schematics | PDF 158.9 KB | |
| Operational Description Metadata only | Operational Description | PDF 364.7 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 342.6 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 82 KB | |
| Tune Up Procedure Metadata only | Parts List/Tune Up Info | PDF 223.4 KB |
Application Information
| Application ID | pFrb5wF03mgJnnEfr9TvNw== |
|---|---|
| Final Action Date | 2025-06-25 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028970325 |
| Model | BMS100 |
| Frequency Range | 824-849 MHz |
| Equipment Class | TNB - Licensed Non-Broadcast Station Transmitter |
| Device Description | Battery Monitor |
| Responsible Party | Alex Bai, alexbai@leagend.com , 0755-26966362 |
| Test Firm | Tracy Qi, Shenzhen CTL Testing Technology Co., Ltd., qihui@ctl-lab.com  , 86-755-89486194 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27 |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output power listed is ERP for operation below 1GHz and EIRP for operation above 1GHz. This device supports LTE bandwidths 1.4, 3, 5 and 10 MHz at LTE Band 5 and of 5, 10, 15, 20 MHz at LTE Band 7. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| pFrb5wF03mgJnnEfr9TvNw== | 2025-06-25 | Original Equipment |
| Y7uCCFEBzKOs1Z+cWh+yAA== | 2025-06-25 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance |
|---|---|---|
| 824-849 MHz | 0.0977 | 2.5ppm |
| 824-849 MHz | 0.0955 | 2.5ppm |
| 824-849 MHz | 0.0935 | 2.5ppm |
| 2402-2480 MHz | 0.0010000 | |
| 2500-2570 MHz | 0.2023 | 2.5ppm |
| 2500-2570 MHz | 0.1977 | 2.5ppm |
| 2500-2570 MHz | 0.1888 | 2.5ppm |
Grants
TCB Grant - Application Y7uCCFEBzKOs1Z+cWh+yAA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 06/25/2025 Application Dated: 06/25/2025 |
| SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD |
| 4F, Bld. 26, No. 1301, Guanguang Rd., |
| Xinlan Community, Longhua District |
| Shenzhen, China |
| Attention: Alex Bai , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2AU4A-BMS100 |
| Name of Grantee: | SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Battery Monitor |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.001 |
| Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
TCB Grant - Application pFrb5wF03mgJnnEfr9TvNw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 06/25/2025 Application Dated: 06/25/2025 |
| SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD |
| 4F, Bld. 26, No. 1301, Guanguang Rd., |
| Xinlan Community, Longhua District |
| Shenzhen, China |
| Attention: Alex Bai , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2AU4A-BMS100 |
| Name of Grantee: | SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD |
| Equipment Class: | Licensed Non-Broadcast Station Transmitter |
| Notes: | Battery Monitor |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 22H | 824.0 - 849.0 | 0.0977 | 2.5 PM | 1M11W7D | |
| 22H | 824.0 - 849.0 | 0.0955 | 2.5 PM | 9M07G7D | |
| 22H | 824.0 - 849.0 | 0.0935 | 2.5 PM | 5M08W7D | |
| 27 | 2500.0 - 2570.0 | 0.2023 | 2.5 PM | 5M34W7D | |
| 27 | 2500.0 - 2570.0 | 0.1977 | 2.5 PM | 18M1G7D | |
| 27 | 2500.0 - 2570.0 | 0.1888 | 2.5 PM | 5M61W7D |
| Output power listed is ERP for operation below 1GHz and EIRP for operation above 1GHz. This device supports LTE bandwidths 1.4, 3, 5 and 10 MHz at LTE Band 5 and of 5, 10, 15, 20 MHz at LTE Band 7. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |